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Re: XFS, md (raid5) and "switching cache buffer size"

To: Gordon Henderson <gordon@xxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
Subject: Re: XFS, md (raid5) and "switching cache buffer size"
From: Seth Mos <knuffie@xxxxxxxxx>
Date: Fri, 20 Jun 2003 12:48:27 +0200
In-reply-to: <Pine.LNX.4.43.0306201100400.23072-100000@xxxxxxxxxxxxxxxxx t>
Sender: linux-xfs-bounce@xxxxxxxxxxx
At 11:29 20-6-2003 +0100, Gordon Henderson wrote:

I've searched all I can, but find no real solution to the problem of the
linux raid driver constantly outputting a stream of :

Jun 20 10:15:38 red kernel: raid5: switching cache buffer size, 512 --> 4096
Jun 20 10:15:38 red kernel: raid5: switching cache buffer size, 4096 --> 512
Jun 20 10:15:38 red kernel: raid5: switching cache buffer size, 512 --> 4096
Jun 20 10:15:38 red kernel: raid5: switching cache buffer size, 4096 --> 512
Jun 20 10:15:38 red kernel: raid5: switching cache buffer size, 512 --> 4096
Jun 20 10:15:39 red kernel: raid5: switching cache buffer size, 0 --> 4096
Jun 20 10:15:39 red kernel: raid5: switching cache buffer size, 4096 --> 512

The message is harmless. You can safely ignore it or disable it in the source.

It was originally there to see how many times there would be a less then 4k write thus resulting in a switching buffer size.

Cheers

--
Seth
It might just be your lucky day, if you only knew.


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